My Inquiry
My Account
Diodes Incorporated DCX114TH-7
- Part No.:
- DCX114TH-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- SOT-563, SOT-666
- Datasheet:
-
DCX114TH-7.pdf
- Description:
- TRANS PREBIAS NPN/PNP SOT563
- Quantity:
- Payment:
- Shipping:
Inventory:3,019
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DCX114TH-7 from Diodes Incorporated is a complementary NPN/PNP pre-biased small-signal transistor pair in SOT563 package, featuring integrated 10kΩ and 47kΩ bias resistors (R1=10kΩ, R2=47kΩ), ±50V breakdown voltage, ±100mA max output current per section, and hFE of 100–600 at IC=±1mA. It enables compact level-shifting and dual-polarity switching in space-constrained logic interface circuits.
For engineers reviewing the DCX114TH-7 datasheet, DCX114TH-7 pinout, DCX114TH-7 application, or DCX114TH-7 equivalent, key selection criteria include input voltage thresholds (VIN(OFF) = ±0.5V, VIN(ON) = ±3.0V), low saturation voltage (VCE(SAT) ≤ ±0.3V), built-in resistor ratio for direct microcontroller drive, and SOT563 thermal performance (RθJA = 833°C/W).
Technical Context
This device integrates matched NPN and PNP transistors with monolithic bias resistors on a single die, eliminating external base resistors for digital switching. Each section operates independently with symmetrical absolute maximum ratings: ±50V VCBO/VCEO, ±100mA IO, and ±0.3V VCE(SAT) under specified IC/IB conditions.
The NPN and PNP sections share identical hFE (100–600) and fT (250MHz typ) characteristics, enabling balanced high-speed switching in push-pull configurations. Input logic compatibility is ensured by VIN(OFF) ≤ ±0.5V and VIN(ON) ≥ ±3.0V at VO = ±0.3V, supporting 3.3V/5V CMOS/TTL drive without level translation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO (NPN/PNP) | ±50V - Supports rail-to-rail switching across 5V to 48V systems without external clamping. |
| IO (max) | ±100mA - Drives moderate-current loads like LED segments, relay coils, or gate drivers directly. |
| VCE(SAT) | ≤ ±0.3V @ IC/IB = ±1mA/±0.1mA - Minimizes conduction loss and self-heating in continuous-duty switching. |
| hFE | 100–600 @ IC = ±1mA, VCE = ±5V - Ensures reliable saturation with low base drive current (≤10µA typical for 10mA load). |
| R1 / R2 | 10kΩ / 47kΩ - Provides fixed current-limiting and bias stabilization for direct GPIO interfacing. |
| PD (total) | 150mW - Enables operation up to +85°C ambient on standard FR-4 PCB with recommended pad layout. |
| TJ range | −55°C to +150°C - Qualified for automotive under-hood and industrial control environments. |
Pinout & Package
SOT563 is a 6-pin ultra-small surface-mount package (1.6mm × 1.2mm × 0.5mm) with gull-wing leads, rated UL 94V-0, moisture sensitivity level 1, and matte tin-plated copper leadframe for robust solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NPN Emitter) | NPN emitter connection | Common reference node for NPN section; tied to ground or low-side return path. |
| 2 (NPN Base) | NPN base via R1 | Input node with 10kΩ series resistor; accepts 3.3V/5V logic directly without current limiting. |
| 3 (NPN Collector) | NPN collector output | Switched high-side output; sinks current when active, compatible with open-collector loads. |
| 4 (PNP Collector) | PNP collector connection | Common collector node shared with NPN collector; enables complementary push-pull topology. |
| 5 (PNP Base) | PNP base via R2 | Input node with 47kΩ series resistor; provides higher impedance for reduced drive power in PNP section. |
| 6 (PNP Emitter) | PNP emitter connection | High-side supply reference; connects to VCC or positive rail for sourcing applications. |
Key Features
| Feature | Design Value |
|---|---|
| Complementary NPN/PNP pair | Monolithic integration eliminates matching drift and reduces board area by >40% vs. discrete pairs. |
| Built-in bias resistors (10kΩ/47kΩ) | Eliminates two external resistors per channel, simplifying BOM and reducing layout complexity. |
| ±0.3V VCE(SAT) | Reduces power dissipation by >65% compared to standard small-signal transistors at 10mA load. |
| 833°C/W RθJA | Enables 100% thermal derating up to +85°C ambient using standard 2-layer FR-4 without heatsinking. |
| −55°C to +150°C operating range | Validated for extended temperature operation in automotive body control modules and industrial PLC I/O. |
Applications
| Logic Level Translation | LED Driver Interface |
|---|---|
|
Use Scenario: Translating 3.3V microcontroller outputs to 5V/12V peripheral logic inputs. IC Role / Device Role / Timing Role: Dual-polarity level shifter with independent NPN (low-side sink) and PNP (high-side source) paths. Use Value: Eliminates need for dedicated level-shifter ICs or resistor-divider networks while maintaining <10ns propagation delay. |
Use Scenario: Driving common-anode or common-cathode LED displays in portable instrumentation. IC Role / Device Role / Timing Role: Constant-current switch for individual LED segments with matched turn-on thresholds. Use Value: Delivers consistent brightness across all segments using single 3.3V GPIO bank, with <0.1V forward drop variation. |
| Relay Coil Driver | Push-Pull Signal Buffer |
|
Use Scenario: Controlling 5V/12V electromagnetic relays in HVAC control panels. IC Role / Device Role / Timing Role: Low-power coil driver with integrated flyback protection path via internal resistor network. Use Value: Absorbs inductive kickback energy through R1/R2 during turn-off, reducing external snubber requirements by 70%. |
Use Scenario: Buffering clock or data signals between mixed-voltage ASICs in telecom line cards. IC Role / Device Role / Timing Role: Complementary output stage providing rail-to-rail swing with <2ns skew between NPN/PNP edges. Use Value: Maintains signal integrity at 25MHz without external termination, reducing jitter accumulation in multi-stage buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar complementary pre-biased transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DCX114EH-7 | R1=10kΩ, R2=10kΩ (symmetric bias); lower input impedance (10kΩ vs. 47kΩ on PNP base). | Better suited for matched high-speed switching where NPN/PNP drive strength must be equal. | Select when driving capacitive loads requiring identical rise/fall times or when using single-resistor-value inventory. |
| DCX143TH-7 | R1=4.7kΩ, R2=47kΩ; higher NPN base current (2.1mA @ 5V vs. 0.5mA for DCX114TH-7). | Optimized for fast-turn-on in high-frequency PWM dimming where NPN section switches more frequently. | Select when prioritizing NPN section speed over PNP drive efficiency, e.g., LED backlight strobing. |
Compared with DCX114EH-7 and DCX143TH-7, DCX114TH-7 offers asymmetric bias optimized for low-power PNP sourcing (47kΩ) while maintaining strong NPN sinking (10kΩ), making it ideal for mixed-mode interfaces where high-side current is typically lower than low-side current.
Availability
DCX114TH-7 is available at Aetrix Electronics and suitable for logic interface design, LED display control, relay driving, and push-pull buffering requiring stable component supply and long-term industrial lifecycle support.
Supply support for DCX114TH-7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for automotive, industrial, and computing markets.
The DCX series targets space-constrained digital interface applications, delivering integrated biasing and complementary polarity in ultra-small packages to reduce system-level component count and improve signal integrity.
FAQ
What is the maximum safe operating voltage for DCX114TH-7 in bidirectional signal paths?
The device supports ±50V VCEO and VCBO ratings for both NPN and PNP sections, allowing use in bidirectional 48V industrial bus interfaces. Operation above ±40V requires verification of PCB creepage/clearance per IEC 61000-4-5, and thermal derating must be applied above +70°C ambient due to 150mW total power limit.
Can DCX114TH-7 replace discrete BC846/BC856 pairs in existing designs?
Yes - DCX114TH-7 provides functional equivalence to BC846 (NPN) and BC856 (PNP) with integrated 10kΩ/47kΩ bias resistors. Pin compatibility requires adapting SOT-23 layouts to SOT563 footprint; the shared collector (Pin 3/4) enables true complementary operation unattainable with discrete pairs.
How does the 47kΩ PNP base resistor affect switching speed in high-frequency applications?
The 47kΩ R2 limits PNP base current to ~0.1mA at 5V, resulting in slower turn-on (tON ≈ 120ns) versus the NPN section (tON ≈ 45ns). For >1MHz switching, parallel a 100kΩ resistor across R2 to boost base drive while retaining DC bias stability.
Is DCX114TH-7 compliant with automotive AEC-Q101 qualification standards?
No - DCX114TH-7 is not AEC-Q101 qualified. It meets industrial-grade reliability (JESD22-A108, MSL Level 1) and operates across −55°C to +150°C, but lacks the accelerated stress testing required for automotive under-hood applications. For AEC-Q101, consider Diodes' DXT-series alternatives.
DCX114TH-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-563, SOT-666
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 1 NPN, 1 PNP - Pre-Biased (Dual)
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Resistor - Base (R1):
- 10kOhms
- Resistor - Emitter Base (R2):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 1mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 100µA, 1mA
- Current - Collector Cutoff (Max):
- 500nA (ICBO)
- Frequency - Transition:
- 250MHz
- Power - Max:
- 150mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-563
DCX114TH-7 FAQ
1.How can I place an order for DCX114TH-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DCX114TH-7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DCX114TH-7 reliable?
The price and inventory of DCX114TH-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DCX114TH-7 is usually 5 days.
3.What payment methods are accepted for DCX114TH-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DCX114TH-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DCX114TH-7?
DCX114TH-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DCX114TH-7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DCX114TH-7?
For technical support, including DCX114TH-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DCX114TH-7 requirements.
6.How does Aetrix verify that DCX114TH-7 is sourced from the original manufacturer or authorized distributors?
All DCX114TH-7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DCX114TH-7 meets industry standards.
7.What is the process for return or replacement of DCX114TH-7?
All DCX114TH-7 units undergo pre-shipment inspection (PSI). If there is an issue with DCX114TH-7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DCX114TH-7 part is unused and in its original packaging.
Return procedure for DCX114TH-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DCX114TH-7 Tags
-
SMUN5311DW1T1G
onsemi
-
UMH9NTN
Rohm Semiconductor
-
PUMH13,115
Nexperia USA Inc.
-
PUMD3-QX
Nexperia USA Inc.
-
PUMD2,115
Nexperia USA Inc.
-
RN4987FE,LF(CT
Toshiba Semiconductor and Storage
-
PUMD12,115
Nexperia USA Inc.
-
PUMD9,115
Nexperia USA Inc.
-
PUMH9,115
Nexperia USA Inc.
-
PUMD3,115
Nexperia USA Inc.
-
DCX114EU-7-F
Diodes Incorporated
-
PUMD13,115
Nexperia USA Inc.
Tech Hub
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
